USB Power for RS232-TTL level converter2010-09-28 01:09
This is a really simple project, but it makes my work environment much safer and more convenient.
My MAX3232-based level converter used to run off 5v DC from a hacked-up molex fan lead, but I didn’t feel comfortable using it on my nice desktop.
I picked up a 50¢ USB cable from Monoprice and cut it a few inches from the B end.
Trimmed it to just the 5v and grounding leads:
Made the connection permanent, and hot-glued the USB cable in place:
Here it is attached to the serial console of my Dockstar: